KR101305680B1 - Vehicle Coupled Torsion Beam Axle - Google Patents

Vehicle Coupled Torsion Beam Axle Download PDF

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Publication number
KR101305680B1
KR101305680B1 KR1020070115475A KR20070115475A KR101305680B1 KR 101305680 B1 KR101305680 B1 KR 101305680B1 KR 1020070115475 A KR1020070115475 A KR 1020070115475A KR 20070115475 A KR20070115475 A KR 20070115475A KR 101305680 B1 KR101305680 B1 KR 101305680B1
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South Korea
Prior art keywords
vehicle
torsion beam
bush
beam axle
coupled
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KR1020070115475A
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Korean (ko)
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KR20090049276A (en
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정대우
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현대자동차주식회사
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Priority to KR1020070115475A priority Critical patent/KR101305680B1/en
Publication of KR20090049276A publication Critical patent/KR20090049276A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/051—Trailing arm twist beam axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/04—Buffer means for limiting movement of arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 커플드 토션빔 액슬(Coupled Torsion Beam Axle)에 구비된 드레일림 암의 부시 형태를 변경하여 범프(Bump) 발생에 의해 휠이 후방으로 거동 가능하도록 하여 임팩트 성능 및 설계 자유도를 향상시킬 수 있는 차량용 커플드 토션빔 액슬에 관한 것으로서, 토션빔의 좌, 우 양측 단부에 각각 연결 설치되는 트레일링 암이 구비되되, 상기 트레일링 암에는 차체와 결합되는 마운팅부의 내측에 차량 범프(Bump)시 휠이 후방으로 이동 가능하도록 공간부가 형성된 부시가 설치되는 것을 특징으로 한다.The present invention can improve the impact performance and design freedom by changing the bush shape of the derail rim arm provided in the coupled torsion beam axle to enable the wheel to move backward by bump generation. The present invention relates to a coupled torsion beam axle for a vehicle having a trailing arm connected to both left and right ends of the torsion beam, the trailing arm being mounted to the inside of a mounting portion coupled to the vehicle body. It is characterized in that the bush formed with a space portion is installed so that the wheel can move to the rear.

커플드 토션빔 액슬(Coupled Torsion Beam Axle), 범프(Bump), 휠 Coupled Torsion Beam Axle, Bump, Wheel

Description

차량용 커플드 토션빔 액슬{Vehicle Coupled Torsion Beam Axle}Vehicle Coupled Torsion Beam Axle {Vehicle Coupled Torsion Beam Axle}

본 발명은 차량 주행 중 범프 발생에 의한 충격을 최소화하고, 설계 자유도를 향상시켜 보다 안락한 차량 주행을 가능하게 하는 차량용 커플드 토션빔 액슬에 관한 것이다.The present invention relates to a coupled torsion beam axle for a vehicle that minimizes the impact caused by bump generation while driving a vehicle, and improves design freedom to enable a more comfortable vehicle driving.

차량에 구비되는 현가장치는 차축과 차체 사이를 연결시켜 주행중에 차축이 노면으로부터 받는 진동이나 충격 등을 적절히 감쇠시켜 차체의 손상과 탑승자의 승차감을 향상시킬 수 있도록 하는 장치이다.The suspension device provided in the vehicle is a device that connects the axle and the vehicle body to attenuate vibrations or shocks received from the road surface while driving, thereby improving damage to the vehicle body and riding comfort of the occupant.

상기한 현가장치 중에 커플드 토션빔 액슬(Coupled Torsion Beam Axle)은 간단한 구조로 생산단가가 저렴하고 작은 질량에 비하여 상대적으로 높은 주행 안정성을 갖고 있어서 오랫동안 경차 및 준중형 차량의 후륜 현가장치로 사용되어 오고 있다.Coupled Torsion Beam Axle among the above-mentioned suspensions has been used as a rear suspension of light and semi-medium sized vehicles for a long time because of its simple structure and low production cost and relatively high running stability compared to small mass. have.

상기한 커플드 토션빔 액슬이 구비된 종래의 차량이 도로에 설치된 구조물을 따라 주행할 때 발생되는 상태를 도면을 참조하여 설명한다.A state generated when a conventional vehicle equipped with the coupled torsion beam axle travels along a structure installed on a road will be described with reference to the drawings.

첨부된 도 1을 참조하면, 차량이 도로를 따라 주행하다가 도로에 설치된 구조물 또는 돌기를 타고 휠이 주행할 때 상기한 휠(2)은 최초 점선의 위치에서 실선 으로 도시된 위치로 이동될 경우에 차량에 탑승한 탑승객에게 최소한의 충격을 전달하게 된다.Referring to FIG. 1, when the vehicle travels along a road and the wheel travels on a structure or protrusion installed on the road, the wheel 2 is moved from the position of the first dotted line to the position shown by the solid line. It will deliver a minimum impact to the passengers in the vehicle.

그러나, 종래에는 도 1에 도시된 바와 같이 휠(2)이 이동되지 않고 차량의 전방을 향해 이동됨으로써 차량에 탑승한 탑승객에게 범프에 의한 임팩트 충격이 그대로 전달되어 적지않은 불쾌감과 차량에 대한 불신을 유발하여 이에 대한 시급한 대책을 필요로 했다.However, in the related art, as shown in FIG. 1, the wheel 2 is not moved, but is moved toward the front of the vehicle, so that the impact shock caused by the bump is transmitted to the passengers in the vehicle as it is. Urgent action was needed.

본 발명의 목적은 차량 주행시 발생되는 범프 현상에 따른 임팩트 발생을 최소화하고, 휠의 이동을 차량 후방으로 이동시켜 안정적인 차량 주행을 가능하게 하는 차량용 커플드 토션빔 액슬을 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a coupled torsion beam axle for a vehicle which minimizes the impact caused by the bump phenomenon generated during vehicle driving and enables stable vehicle driving by moving wheel movement to the rear of the vehicle.

상기와 같은 목적을 달성하기 위해 본 발명에 의한 차량용 커플드 토션빔 액슬은 토션빔의 좌, 우 양측 단부에 각각 연결 설치되는 트레일링 암이 구비되되, 상기 트레일링 암에는 차체와 결합되는 마운팅부의 내측에 차량 범프(Bump)시 휠이 후방으로 이동 가능하도록 공간부가 형성된 부시가 설치되도록 구성된다.In order to achieve the above object, the coupled torsion beam axle for a vehicle according to the present invention is provided with trailing arms connected to the left and right ends of the torsion beam, respectively, and the mounting arm is coupled to the vehicle body. It is configured to install a bush formed in the space portion so that the wheel can move to the rear at the time of vehicle bump.

부시는 차량의 전방을 향해서는 단면 형상이 반원 형상을 갖도록 이루어지고, 차량 후방을 향해서는 각각 외측으로 경사진 경사부가 구비된 삼각 형태로 구성된다.The bush is configured to have a semi-circular cross-sectional shape toward the front of the vehicle, and has a triangular shape with inclined portions inclined outward toward the rear of the vehicle.

부시의 경사부는 동일 길이를 갖도록 구성된다.The inclined portion of the bush is configured to have the same length.

부시의 공간부는 상기한 부시의 우측에 슬롯 형태로 형성된다.The space portion of the bush is formed in the shape of a slot on the right side of the bush.

상기 부시의 공간부는 상기한 부시의 중앙을 향해 라운드지게 형성된다.The space portion of the bush is rounded toward the center of the bush.

이하에서는 첨부 도면을 참조하여 본 발명에 의한 차량용 커플드 토션빔 액슬의 실시예를 도면을 참조하여 설명한다.Hereinafter, an embodiment of a coupled torsion beam axle for a vehicle according to the present invention will be described with reference to the accompanying drawings.

첨부된 도 2는 본 발명에 의한 커플드 토션빔 액슬이 설치된 상태를 도시한 도면이고, 도 3a 내지 도 3d는 본 발명에 의한 커플드 토션빔 액슬의 작동 상태도이다.2 is a view illustrating a state in which a coupled torsion beam axle according to the present invention is installed, and FIGS. 3A to 3D are diagrams illustrating an operating state of the coupled torsion beam axle according to the present invention.

첨부된 도 2를 참조하면, 토션빔(100)의 좌, 우 양측 단부에 각각 연결 설치되는 트레일링 암(200)이 구비되되, 상기 트레일링 암(200)에는 차체(10)와 결합되는 마운팅부(210)의 내측에 차량 범프(Bump)시 휠이 후방으로 이동 가능하도록 공간부(222)가 형성된 부시(220)가 설치되도록 구성된다. 상기 부시(220)는 고무 또는 탄성재질을 사용하는 것이 바람직하다.Referring to FIG. 2, a trailing arm 200 connected to both left and right ends of the torsion beam 100 is provided, and the trailing arm 200 is coupled to the vehicle body 10. A bush 220 having a space 222 is installed inside the unit 210 so that the wheel can move rearward when the vehicle bumps. The bush 220 is preferably a rubber or elastic material.

부시(220)는 차량의 전방을 향해서는 단면 형상이 반원 형상을 갖도록 이루어지고, 차량 후방을 향해서는 각각 외측으로 경사진 경사부(221)가 구비된 삼각 형태로 구성된다. 상기와 같은 형태로 부시(220)가 이루어지는 이유는 범프 발생시 휠이 차량의 후방으로 이동 가능하도록 하기 위해서이다.The bush 220 is formed in a triangular shape having a cross-sectional shape toward the front of the vehicle has a semi-circular shape, and the inclined portion 221 inclined outward toward the rear of the vehicle, respectively. The reason why the bush 220 is formed as described above is to allow the wheel to move to the rear of the vehicle when a bump occurs.

부시(220)의 경사부(221)는 동일 길이를 갖도록 구성되어 차량 범프시 부시(220)가 의도된 형태로 변형되도록 한다.The inclined portion 221 of the bush 220 is configured to have the same length so that the bush 220 deforms into the intended shape when the vehicle bumps.

부시(220)의 공간부(222)는 상기한 부시(220)의 우측에 슬롯 형태로 형성된다. 우측에 형성되는 이유는 차량 범프 발생시 공간부(222)가 압축되면서 휠이 후방으로 이동되도록 하기 위함이다.The space 222 of the bush 220 is formed in a slot shape on the right side of the bush 220. The reason why it is formed on the right side is to allow the wheel to move rearward while the space 222 is compressed when the vehicle bump occurs.

부시(220)의 공간부(222)는 상기한 부시(220)의 중앙을 향해 라운드지게 형성된다 왜냐하면, 범프 발생시 동일한 부시(220)의 동일한 변형을 통해 휠이 안정적으로 차량 후방을 향해 이동 가능하도록 하기 위함이다.The space portion 222 of the bush 220 is rounded toward the center of the bush 220, so that when the bump occurs, the wheel can be stably moved toward the rear of the vehicle through the same deformation of the same bush 220. To do this.

부시(220)의 외측을 감싸고 차체(10)와 연결설치되는 마운팅부(210)는 상기 부시(220)의 형상과 동일한 구조로 이루어지는 것이 바람직하다.The mounting portion 210 surrounding the outer side of the bush 220 and connected to the vehicle body 10 is preferably made of the same structure as the shape of the bush 220.

상기와 같이 구성되는 본 발명에 의한 차량용 커플드 토션빔 액슬의 작동 상태를 도면을 참조하여 설명한다.The operating state of the vehicle coupled torsion beam axle according to the present invention configured as described above will be described with reference to the drawings.

첨부된 도 2 내지 도 3b를 참조하면, 차량이 정차 또는 범프(Bump)가 발생되기 이전에 차체(10)에 설치된 상태는 A-A단면에 도시된 바와 같은 상태로 마운팅부(210)와 차체(10)가 연결되며, 부시(220)는 도면에 도시된 바와 같은 상태로 위치하게 된다. 상기 상태는 부시(220)에 형성된 공간부(222)쪽으로 별다른 임팩트가 발생되지 않은 상태이다.2 to 3B, the state in which the vehicle is installed in the vehicle body 10 before the vehicle stops or bumps is generated as shown in the cross section AA and the vehicle body 10. ) Is connected, and the bush 220 is positioned as shown in the figure. The state is a state in which no impact is generated toward the space portion 222 formed in the bush 220.

이와 같은 상태에서 도로를 따라 차량이 주행하다가 범프(Bump)가 발생될 때의 상태를 도면을 참조하여 설명한다.In this state, a state in which a bump is generated while the vehicle travels along the road will be described with reference to the drawings.

첨부된 도 3c 내지 도 3d를 참조하면, 차량에 범프(Bump)가 발생하게 되면 A-A'단면에 도시된 바와 같이 트레일링 암(200)이 상측으로 이동되고, 상기 트레일링 암(200)의 마운팅부(210)에 구비된 부시(220)는 공간부(222)가 형성된 부분을 향해 압축이 발생된다.3C to 3D, when a bump occurs in a vehicle, the trailing arm 200 is moved upward, as shown in section A-A ', and the trailing arm 200 is moved upward. The bush 220 provided in the mounting portion 210 of the compression is generated toward the portion where the space portion 222 is formed.

상기 공간부(222)의 압축에 의해 슬롯 형태로 형성된 공간부(222)는 도면에 도시된 바와 같이 변형되면서 부시(220) 전체에 탄성 변형이 일어나고, 트레일링 암(200)은 후방으로 이동되어 휠 전체가 후방으로 이동이 이루어지게 된다.The space portion 222 formed in a slot shape by the compression of the space portion 222 is deformed as shown in the figure while the elastic deformation occurs in the entire bush 220, the trailing arm 200 is moved backward The entire wheel is moved backwards.

이때 상기 부시(220)의 공간부(222)는 동일 길이를 갖으며, 라운드지게 형성되어 있어서 일측 방향으로 편심되지 않고 안정적인 변형이 이루어진다.At this time, the space portion 222 of the bush 220 has the same length and is formed round so that a stable deformation is achieved without being eccentric in one direction.

따라서, 범프 발생에 따른 임팩트 충격을 최소화되도록 휠이 후방으로 이동 되어 범프에 의한 차량의 안정적인 주행이 가능하게 된다.Therefore, the wheel is moved to the rear so as to minimize the impact shock caused by the bump is generated, the stable running of the vehicle by the bump is possible.

이상에서 설명한 바와 같이, 본 발명에 의한 차량용 커플드 토션빔 액슬은 갑작스런 범프 발생에 의한 임팩트 충격이 발생해도 휠이 안정적으로 차량 후방을 향해 이동되어 임팩트 충격이 최소화되고, 차량에 탑승한 탑승객의 만족도가 향상되며, 안정적인 차량 주행이 가능해지는 효과가 있다.As described above, the coupled torsion beam axle for a vehicle according to the present invention, even when an impact shock caused by a sudden bump occurs, the wheel is stably moved toward the rear of the vehicle to minimize the impact impact, the satisfaction of the passengers in the vehicle It is improved, and there is an effect that enables stable vehicle running.

도 1은 차량에 범프가 발생했을 경우에 이상적인 휠 이동 상태를 도시한 도면.1 is a diagram illustrating an ideal wheel movement state when a bump occurs in a vehicle.

도 2는 본 발명에 의한 커플드 토션빔 액슬이 설치된 상태를 도시한 도면.2 is a view showing a state in which a coupled torsion beam axle according to the present invention is installed.

도 3a 내지 도 3d는 본 발명에 의한 커플드 토션빔 액슬의 작동 상태도.3a to 3d is an operating state diagram of the coupled torsion beam axle according to the present invention.

*도면의 주요 부분에 대한 부호의 설명*Description of the Related Art [0002]

1 : 커플드 토션빔 액슬 100 : 토션빔1: Coupled Torsion Beam Axle 100: Torsion Beam

200 : 트레일링 암 210 : 마운팅부200: trailing arm 210: mounting portion

220 : 부시 222 : 공간부220: bush 222: space part

Claims (5)

차량에 설치되는 커플드 토션빔 액슬(Coupled Torsion Beam Axle)에 있어서,In a coupled torsion beam axle installed in a vehicle, 토션빔의 좌, 우 양측 단부에 각각 연결 설치되는 트레일링 암이 구비되되, 상기 트레일링 암에는 차체와 결합되는 마운팅부의 내측에 차량 범프(Bump)시 휠이 후방으로 이동 가능하도록 공간부가 형성된 부시가 설치되되,A trailing arm is provided to be connected to both left and right ends of the torsion beam, respectively, and the trailing arm has a bush formed with a space portion to allow the wheel to move rearward when the vehicle bumps inside the mounting portion coupled to the vehicle body. Is installed, 상기 부시는 차량의 전방을 향해서는 단면 형상이 반원 형상을 갖도록 이루어지고, 차량 후방을 향해서는 각각 외측으로 경사진 경사부가 구비된 삼각 형태로 이루어진 것을 특징으로 하는 차량용 커플드 토션빔 액슬.The bush is coupled to the torsion beam axle for the vehicle, characterized in that the cross-sectional shape is formed in a semi-circular shape toward the front of the vehicle, the triangular shape is provided with an inclined portion inclined outward toward the rear of the vehicle. 삭제delete 제1 항에 있어서,The method according to claim 1, 상기 부시의 경사부는 동일 길이를 갖는 것을 특징으로 하는 차량용 커플드 토션빔 액슬.2. The coupled torsion beam axle of claim 1, wherein the inclined portion of the bush has the same length. 제1 항에 있어서,The method according to claim 1, 상기 부시의 공간부는 상기한 부시의 우측에 슬롯 형태로 형성되는 것을 특징으로 하는 차량용 커플드 토션빔 액슬.The spaced portion of the bush is coupled to the torsion beam axle for the vehicle, characterized in that formed in the slot form on the right side of the bush. 제4 항에 있어서,5. The method of claim 4, 상기 부시의 공간부는 상기한 부시의 중앙을 향해 라운드지게 형성된 것을 특징으로 하는 차량용 커플드 토션빔 액슬.The spaced portion of the bush is coupled to the vehicle torsion beam axle, characterized in that the rounded toward the center of the bush.
KR1020070115475A 2007-11-13 2007-11-13 Vehicle Coupled Torsion Beam Axle KR101305680B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022033762A1 (en) * 2020-08-12 2022-02-17 Audi Ag Link for a wheel suspension of a motor vehicle and wheel suspension for a wheel of a front axle of a motor vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000020674U (en) * 1999-05-12 2000-12-05 정몽규 Bush of trailing arm for automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000020674U (en) * 1999-05-12 2000-12-05 정몽규 Bush of trailing arm for automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022033762A1 (en) * 2020-08-12 2022-02-17 Audi Ag Link for a wheel suspension of a motor vehicle and wheel suspension for a wheel of a front axle of a motor vehicle

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